The microcode your CPU is running on is known to cause instability problems,such as intempestive reboots or random crashes.You are advised to either revert to a previous microcode version (that might not havethe mitigations for Spectre), or upgrade to a newer one if available.

CVE-2017-5753 [bounds check bypass] aka 'Spectre Variant 1'* Mitigated according to the /sys interface: NO (kernel confirms your system is vulnerable)* Kernel has array_index_mask_nospec: NO * Checking count of LFENCE instructions following a jump in kernel: NO (only 5 jump-then-lfence instructions found, should be >= 30 (heuristic))> STATUS: VULNERABLE (Kernel source needs to be patched to mitigate the vulnerability)